Heteropolyanion
雜多陽離子
??? 情景例句
Never gamble if you can't afford to lose.
如果你輸不起的話，永遠不要賭博。
It gets in around 11:45.
大約11點45分到。
A man lived in a tall building in the city of Moscow. He liked living there.
有一個人住在莫斯科城的高樓里。 他喜歡住那兒。